.thumbnail {
  position: absolute;
  width: 100%;
  height: 100%;
  cursor: pointer;
}
.thumbnail-empty {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  text-align: center;
  transform: translate(-50%, -50%);
}
.thumbnailBox {
  position: relative;
  width: 80px;
  height: 80px;
  border: 1px solid hsl(0, 0%, 80%);
  cursor: pointer;
}
